<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>字符跳动特效</title>

  <link href="https://fonts.googleapis.com/css?family=Varela+Round&display=swap" rel="stylesheet">
  <link rel="stylesheet" href="css/style.css">
</head>
<body>
<div class="bounce">
  <span class="letter">h</span>
  <span class="letter">e</span>
  <span class="letter">l</span>
  <span class="letter">l</span>
  <span class="letter">o</span>
  <span class="letter">!</span>
</div>
</body>
</html>
